<SEC-DOCUMENT>0001543736-12-000001.txt : 20120302
<SEC-HEADER>0001543736-12-000001.hdr.sgml : 20120302
<ACCEPTANCE-DATETIME>20120302183250
ACCESSION NUMBER:		0001543736-12-000001
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120301
FILED AS OF DATE:		20120302
DATE AS OF CHANGE:		20120302

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ralph David L.
		CENTRAL INDEX KEY:			0001543736

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32046
		FILM NUMBER:		12664358

	MAIL ADDRESS:	
		STREET 1:		42505 10TH STREET WEST
		CITY:			LANCASTER
		STATE:			CA
		ZIP:			93534

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIMULATIONS PLUS INC
		CENTRAL INDEX KEY:			0001023459
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				954595609
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		42505 10TH STREET WEST
		STREET 2:		*
		CITY:			LANCASTER
		STATE:			CA
		ZIP:			93534-7059
		BUSINESS PHONE:		661-723-7723

	MAIL ADDRESS:	
		STREET 1:		42505 10TH STREET WEST
		CITY:			LANCASTER
		STATE:			CA
		ZIP:			93534-7059
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0204</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2012-03-01</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001023459</issuerCik>
        <issuerName>SIMULATIONS PLUS INC</issuerName>
        <issuerTradingSymbol>SLP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001543736</rptOwnerCik>
            <rptOwnerName>Ralph David L.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>42505 10TH STREET WEST</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LANCASTER</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>93534</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>David L. Ralph</signatureName>
        <signatureDate>2012-03-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
